Ac
tivating/deactivating manoeuv ring assis‐
tance
Multimedia sy stem:
, Vehicle .
k Assistance .
Cam. &
Parking Pilot .
Manoeuvring assist. #
Activate Oor deacti vate ª the function. AT
TENTION ASSI ST Fu
nction of ATTENTION ASSI ST
AT TENTION ASSIST assists you on long, mon oto‐
nous journe ys, e.g. on mo torw ays and trunk
ro ads. If ATTENTION ASSIST de tects indicators
of fatigue or increasing lapses in concentration
on the part of the driver, it suggests taking a
brea k.
AT TENTION ASSIST is only an aid. It cannot
alw ays de tect fatigue or lapses in concentration
until too late. The sy stem is not a substitute for a
we ll-res ted and attentive driver. On long jour‐
ne ys,tak ere gular breaks in good time that allow
fo r adequ aterecuperation.
Yo u can choose between two settings.
R Standard: normal sy stem sensitivity R
Sensitive: higher system sensitivity. The
driver is warned earlier and the attention
le ve l de tected byATTENTION ASSIST is adap‐
te d accordingly.
If dr owsiness or inc reasing lapses in concentra‐
tion are de tected, theATTENTION ASSIST: Take
a break! warning appears in the Instrument Dis‐
pla y.Yo u can ackn owledge the message and
ta ke a break where necessar y.Ifyo u do not take
a break and ATTENTION ASSIST continues to
de tect increasing lapses in concentration, you
will be warned again af ter a minimum of
15 minutes. Yo
u can ha vethefo llowing status information for
AT TENTION ASSIST displa yed in the assis tance
menu of the on-board computer:
R The length of the journey since the last
break.
R The attention le vel de term ined byATTENTION
ASSIS T.
if AT TENTION ASSIST is unable tocalculate the
attention le vel and cannot issue a warning, the
System suspended messageappears.
If a warning is given in the Instrument Displa y,
th e multimedia sy stem of fers to sear chfor a rest
area. You can select a rest area and start naviga‐
tion tothis rest area. This function can be activa‐
te d and deactivated in the multimedia sy stem.
If AT TENTION ASSIST is deactivated, theé
symbol appears in the assis tance graphic in the
Instrument Display when the engine is running.
AT TENTION ASSIST is activated automatically
when the engine is re-sta rted. The last selected
sensitivity le velre mains stored. Driving and parking
209
Blind Spot Assi
stand Active Blind Spot
Assi st Fu
nction of Blind Spot Assist and Active
Blind Spot Assi st
Blind Spot Assi stuses two lateral, rear-facing
ra dar sensors tomonitor the area up to40 m
behind your vehicle and 3 m directly next to your
ve hicle.
If a vehicle is de tected at speeds ab ove appr ox‐
imately 12km/h and this vehicle subsequently
enters the monitoring range di rectly next to your
ve hicle, thewa rning lamp in the outside mir ror
lights up red.
If a vehicle is de tected close to yourvehicle in
th e lateral monitoring range and you swit chon
th e turn signal indicator in the cor responding
direction, a warning tone sounds once. The red
wa rning lamp in the outside mir rorflashes. If the
turn signal indica torre mains on, all other de tec‐
te dve hicles are indicated only bytheflashing of
th ere dwa rning lamp.
If yo uove rtake a vehicle quickl y,no warning is
given. &
WARNING Risk of accident despi teBlind
Spot Assi st
Blind Spot Assi stdoes not react tovehicles
approaching and overtaking you at a greatly
di fferent speed.
As a result, Blind Spot Assist cannot warn
drivers in this situation. #
Alw ays pay careful attention tothe traf‐
fi c situation and maintain a safe dis‐
ta nce at the side of theve hicle. Blind Spot Assist and
Active Blind Spot Assi st
are on lyaids. They may failto detect some vehi‐
cles and are no substitute for attentive driving.
Alw ays ensure that there is suf ficient di stance to
th e side forot her road users and obs tacles.
Sy stem limitations
The de tection capability of Blind Spot Assi stcan
be restricted in thefo llowing situations:
R Ifth e sensors are dirty or co vered.
R When there is poor visibility, e.g. due tofog,
heavy rain, snow or spr ay. R
If nar rowvehicles are within the monitoring
ra nge, e.g. bicycles.
Wa rnings may be issued in er ror when driving
close tocrash ba rriers or similar solid lane bor‐
ders. Warnings may be inter rupte d when driving
alongside long vehicles, forex ample lor ries, for a
prolonged time.
Blind Spot Assist is not operational when reve rse
ge ar is engaged.
Brake application of Active Blind Spot Assi st
If Ac tive Blind Spot Assi stdetects a risk of a side
impact in the monitoring range, a cou rse-cor‐
re cting brake application is car ried out. This is
designed tohelp youavo id a collision.
The course-cor recting brake application is availa‐
ble in the speed range between appr oximately
30 km/h and 200 km/h. &
WARNING Risk of accident despi te
brake application of Active Blind Spot
Assi st
A cou rse-co rrecting brake application cann ot
alw ays pr event a collision. Driving and parking
213
R
The lane markings are worn, dark or co vered.
R The dis tance totheve hicle in front is too
small and the lane markings thus cannot be
de tected.
R The lane markings change quickl y,e.g. lanes
branch off, cross one ano ther or mer ge.
R The car riag ewa y is very nar row and winding.
Ve hicles with Driving Assistance pac kage or
Driving Assistance Plus pa ckage: Active Lane
Ke eping Assist uses radar sensors tomonitor
se veral areas around theve hicle. If thera dar
sensors in there ar bumper are dirty or co vered
with sn ow,th e sy stem may be impaired or may
not function. If an obs tacle in the lane in which
yo u are driving has been de tected, no lane-cor‐
re cting brake application occu rs.
Ac tivating Active Lane Keeping Assist &
WARNING Risk of accident despi te
Ac tive Lane Keeping Assist warning
A lane-cor recting brake application cannot
al wa ys bring theve hicle back into the origi‐
nal lane. #
Alw aysst eer, brake or accelera teyour‐
self, especially if Active Lane Keeping
Assist warnsyo u or makes a lane-cor‐
re cting brake application. &
WARNING Risk of accident despi teinter‐
ve ntion of Active Lane Keeping Assist
Ac tive Lane Keeping Assist does not de tect
traf fic conditions or road users. In very rare
cases, the sy stem may make an inappropri‐
ate brake application, e.g. af ter intentional ly
driving over a solid lane marking.
The brake application can be inter rupte d at
any time if yousteer slightly in the opposite
direction. #
Alw ays make sure that there is suf fi‐
cient di stance tothe side forot her traf‐
fi c or obs tacles. &
WARNING Risk of accident despi teLane
Ke eping Assist
Lane Keeping Assist cann otalw ays clearly
de tect lane markings. In su
chcases, Lane Keeping Assist can:
R give an unnecessary warning
R not give a warning #
Alw ays pay particular attention tothe
traf fic situation and keep within the
lane, especially if Active Lane Keeping
Assist alerts you. Re
quirement:
The driving speed is at least 60 km/h. Driving and parking
217
Tr
ailers with a 7-pin plug can be connec tedto
th eve hicle with thefo llowing adap ters:
R adap ter plug
R adapt er cable
The trailer will only be cor rectly de tected bythe
ve hicle if thefo llowing conditions are me t:
R the trailer is connected cor rectl y.
R the trailer lighting sy stem is in working order.
The operation of thefo llowing sy stems depends
on the trailer being connected cor rectly:
R Active Lane Keeping Assist
R ESP ®
R Parking Assist PARKTRONIC
R Parking Pilot
R Blind Spot Assist or Active Blind Spot Assi stCoupling up a trailer
* NO
TEDama getothe battery due tofull
dischar ge Charging
the trailer battery using the po wer
supply of the trailer can damage the batter y. #
Do not use the po wer supp lyto charge
th e trailer batter y. #
Remo vethe co ver from the ball head and
st ore it in a safe place (→ page102). #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. #
Open the soc ket co ver. #
Insert the plug connector with lug 1into
groo ve3 onthe soc ket. #
Turn bayonet coupling 2clockwise tothe
st op. #
Let the co ver engage. #
Secure the cable tothe trailer with cable ties
(if you are using an adap ter cable). #
Make sure that cable is alw ays slack for ease
of mo vement when cornering. #
Push the combination switch upwards and
down wards and check whe ther the cor re‐
sponding turn signal light on the trailer is
fl ashing.
A display message may appear in the multifunc‐
tion display even if the trailer has been connec‐
te d cor rectly:
R LEDs ha vebeen ins talled on the trailer light‐
ing sy stem
R the cur rent has fallen below the trailer light‐
ing sy stem's minimum cur rent (50 mA) Driving and pa
rking 221
#
Toscroll in the menu bar: swipetothe left
or right on the left-hand Touch Control. #
Tocall up the menu or confirm the selec‐
tion: press the left-hand Touch Control. #
Toscroll through displa ysor lists in the
menu: swipe upwards or down wards on the
left-hand Touch Control. #
Tocall up the submenu or confirm the
selection: pressthe left-hand Touch Control. #
Toexitth e submenu: pressthe back button
on the left.
If yo u are br owsing a submenu and you press
and hold the back button on the left, the menu
bar appears. Displa
ysinthe multifunction display 1
outside temp erature
2 Drive prog ram
3 Transmission position
4 Time
5 Display section
% Ve
hicles with the Instrument Display in
th eWi descreen Co ckpit: the position of
th e displa ysdeviates from those displa yed
here.
Fu rther displa ysinthe multifunction display:
Z Gearshift
recommendation (→ page 152) ë
Parking Pilot activated
é Parking Assist PARKTRONIC deacti vated
¯ Cruise cont
rol (→ page 177)
È Limi
ter (→ page 177)
ç Distance Pilot DISTRONIC (→ page 180)
a St
eering Pilot (→ page187)
è ECO
start/ stop function
ë HOLD function (→
page190)
_ Ad
aptive Highbeam Assist Plus
(→ page 119)
ð Ma
ximum pe rmissible speed exceeded
(for cer tain countries only) 228
Instrument Display and on-board computer
This could cause damage
totheve hicle or
th e tyres. #
Neverfit snow chains on the front
wheels. #
Only fit snow chains on there ar wheels
in pairs. *
NO
TEDama getothe wheel trim from fit‐
te d snow chains If sn
ow ch ains are fitted tosteel wheels, the
wheel trims can be damaged. #
Remo vethe wheel trims of steel wheels
before fitting snow chains. R
Snow chains are on ly permissible for cer tain
wheel/tyre combinations. You can obtain
information about this from a Mercedes-Benz
Service Cent re.
R For saf etyre asons, on lyuse sn owchains that
ha ve been specifically appr ovedfo ryo ur
ve hicle byMercedes-Benz, or snow chains
with the same quality standard. R
If sn owchains are fitted, the maximum per‐
missible speed is 50 km/h.
R Vehicles with Parking Pilo t:Do not use
Pa rking Assist PARKTRONIC if sn ow chains
are fitted.
R Vehicles with AIR BODY CONT ROL:If snow
ch ains are fitted, only drive at raised vehicle
le ve l.
% You can permanently limit the maximum
ve hicle speed for driving with winter tyres
(→ page 180).
% You can deactivate ESP ®
to pull away
( → page 171). This allo ws the wheels tospin,
achieving an increased driving forc e. Ty
re pressure Note
s on tyre pressure &
WARNING Risk of accident due toinsuf‐
fi cient or excessive tyre pressure
Underinfla ted or overinfla ted tyres pose the
fo llowing risks:
R The tyres may bur st, especially as the
load and vehicle speed increase.
R The tyres may wearexc essively and/or
une venly, which may greatlyimpair tyre
traction.
R The driving characteristics, as well as
st eering and braking, may be greatly
impaired. #
Comply with there commended tyre
pressure and check the tyre pressure of
all tyres including the spare wheel regu‐
larly:
R at least once a month
R when the load changes Wheels and tyres
385
Display messages
Possible causes/consequences and M
MSolutions
Example:Parking Pilot Park-
ing cancelled *T
he parking assis tance sy stems of Parking Pilot wereinter rupte d.You ha veopened the driver's door or touched the
st eering wheel, forex ample. #
Steer and brake manuall y.
Parking Pilot and
PARKTRONIC inoperative
See Owner's Manual *P
arking Pilot and Parking Assist PARKTRONIC are malfunctioning. #
Stop theve hicle, paying attention toroad and traf fic conditions, and restart the engine. #
Ifth e display message continues tobe displa yed, consult a qualified specialist workshop.
Parking Pilot Manoeuvring
assistance limited See
Owner's Manual *P
arking Pilot and Parking Assist PARKTRONIC are temp orarily una vailable. The ambient conditions are outside the
sy stem borders (→ page 204). Bewareofthe entire vehicle sur roundings. #
As soon as the ambient conditions are within the sy stem borders, the sy stem will become available again.
Traffic Sign Assist currently
unavailable See Owner's
Manual *T
raffic Sign Assist is temp orarily una vailable. #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. Display messages and
warning/indicator lamps 427
Engaging pa
rkposition automatically .. 151
Selecting pa rkposition ........................ 151
Shifting toneutral ................................ 15 0
Display Care .................................................... 360
Display (multimedia sy stem)
No tes .................................................. 250
Settings ............................................... 258
Display (on-board computer) Displa ysinthe multifunction display ... 228
Display content Menu (on-board computer) .................. 235
Display message ...................................... 419
Calling up (on-board co mputer) .......... .419
No tes ................................................... 419
Display messages ? .................................................. .440
C ................................................... 456
M ................................................... 456
N ................................................... 457
¯ .................................................... 430 Ac
tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........426
Ac tive Blind Spot Assi stinope rative .... 426
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 426
Ac tive bonnet malfunction See Own‐
er's Manual ......................................... 455
Ac tive Lane Keeping Assist Camera
view restricted See Owner's Manual ... 425
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........424
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 424
bAc tive Light Sy stem inoperative .. 460
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual ................................................ 462 Ad
aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .462
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .462
4Ad d 1 litre engine oil when next
re fuelling ............................................. 436
Air conditioning Malfunction See
Owner's Manual .................................. 452
Apply brake todeselect Park (P)
position ...............................................4 49
Apply brake toselect R ....................... 452
ÀAT TENTION ASSIST inoperative ... 421
ÀAT TENTION ASSIS T:Take a
break! .................................................. 420
bAU TOlights inope rative ............... 461
Au xilia rybattery malfunction .............. 452
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 425
Blind Spot Assist inope rative ............... 426 Index
487